Hmmm. Well I am using a laptop. It has two drives. My projects are all on drive D: I set the location for my scratch disk to C: where my operating system is, so probably a bad idea to format it.

I should state two things, first, when I say two drives I mean two physical drives, not two partitions.

Also, my C: drive is a 120gig Solid State drive, so it is a lot faster than a standard drive.

I can do the next best thing, just delete the files in the scratch folders. Which is really my question.

On another note, any suggestions on how it should be done? Maybe projects on C: and Scratch on D:? I will be upgrading to larger drives in the next couple of weeks, and re-installing. So that is why I am asking.

Just to be safe, I would take one precaution. I would use Project Manager to "archive" those Projects w/ the Assets (a couple of choices there), to an external HDD, and store it. One never knows when a Project will "rise from the dead," and getting stuff back can be virtually impossible. An inexpensive WD MyBook, or similar would work well. Then, you can Delete all that you want. Just my personal biases there - and I wear braces, plus a belt. Just to be "safe," I also keep a piece of rope, in case the belt breaks...

Project Manager is a very useful utility. Read through the options, as they can make a difference, like allowing for Handles in Trimmed Clips. The Help file will do a good job of stepping you through those options, and help you determine which are most useful to you.